3. The genetic code is commaless, which means that no codon is reserved for punctuations. It means that after one amino acid is coded, the second amino acid will be automatically, coded by the next three letters and that no letters are wasted as the punctuation marks (Fig.
Summer solstice is the first day of summer - it's usually between June 20th and June 23rd. In 2016, the summer solstice takes place on June 20th. We know it's summer because the earth's axis tilts toward the sun from June to September - this means warmer weather and longer days.
Itâs at this time that the Sun takes the longest amount of time to cross the sky, giving us the longest day of the year. In the Northern Hemisphere the date of the 2015 Summer Solstice is 21 June at 16:38 UTC.In the Southern Hemisphere the date of the 2015 Summer Solstice is 22 December at 04:48 UTC.tâs at this time that the Sun takes the longest amount of time to cross the sky, giving us the longest day of the year. In the Northern Hemisphere the date of the 2015 Summer Solstice is 21 June at 16:38 UTC.